Turkey's President Recep Tayyip Erdogan speaks to the media outside the Haseki Training and Research Hospital in Istanbul on June 7, 2016 after visiting people injured by the blast of a bomb attack that targeted a police bus in the Vezneciler district of Istanbul earlier in the day. A bomb ripped through a Turkish police bus near Istanbul's historic centre, killing seven officers and four civilians and injuring 36 people in the latest of a string of attacks in Turkey's biggest city.  / AFP / YASIN BULBUL        (Photo credit should read YASIN BULBUL/AFP/Getty Images)
{}